> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ntop.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Extract Column as Text

<CardGroup cols={2}>
  <Card title="Table, Integer" href="#table-integer" />

  <Card title="Table, Text" href="#table-text" />
</CardGroup>

***

## About this Block

**What it does:**
The **Extract Column** block extracts a single column of data from a Table as a Text list.

**Common uses:**

* This block can be used to extract a column from a Table type as a Text list by providing the column header name as text to the **Column:** input.

**Tips:**

* This block will extract the Table column as a Text list. The **Scalar from Text** block can then be used to convert the extracted text list into a scalar list.

***

<h2 id="table-integer">
  Table, Integer
</h2>

Extracts a single column of data from a Table as a Text list.

### Inputs

| Name  | Type                                                     | Description                 |
| ----- | -------------------------------------------------------- | --------------------------- |
| Table | [Table](../../../../block-documentation/types/table)     | Table to get data from.     |
| Index | [Integer](../../../../block-documentation/types/integer) | Index of column to extract. |

### Outputs

| Type                                                    |
| ------------------------------------------------------- |
| [Text List](../../../../block-documentation/types/text) |

***

<h2 id="table-text">
  Table, Text
</h2>

Extracts a single column of data from a Table as a Text list.

### Inputs

| Name   | Type                                                 | Description                       |
| ------ | ---------------------------------------------------- | --------------------------------- |
| Table  | [Table](../../../../block-documentation/types/table) | Table to get data from.           |
| Header | [Text](../../../../block-documentation/types/text)   | Header name of column to extract. |

### Outputs

| Type                                                    |
| ------------------------------------------------------- |
| [Text List](../../../../block-documentation/types/text) |